“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。 Mathematics retrospective study回溯研究
随便看	weakly relatively compact weakly singular integral equation weakly singular kernel weakly stable solution weakly stable submanifold weakly stable Yang-Mills field weakly stationary distribution weakly stationary process weakly summable basis weakly supervised learning weakly symmetric space weakly triple-free set weakly unstable submanifold weakly wandering set weak majorization weak maximal condition weak maximum weak maximum principle weak measurability weak method weak minimal condition weak minimum weak mixing weak multiplication weak neighborhood

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